Bulletin University of New Mexico—INo. 49 
tent sepals and ephemeral petals. 
L. Vernate. Spring Flax. Petals a dull orange 
yellow or buff with a darker center. Common on the 
mesa in spring. 
39. ZYGOPHYLLEAE. Beran-carer Famiry. 
Ours herbs with symmetrical 4 or 5-morous flowers, 
solitary on lateral or terminal naked peduncles; a single 
style terminating a 2 to 20-carpeled ovary which ripens 
Trizvtts, L. 
Loosely branched hairy prostrate herbs with abrupt- 
ly pinnate, opposite, leaves and the alternate ones 
smaller or wanting; solitary, axillary, white or yellow 
flowers, 5 sepals and petals, and 10 stamens and a lobed 
fruit separating from the persistent axis. 
T. Maxmius, LZ. (Larger T.) Stems long; leaflets 
3 to 4 pairs, ovate-oblong, 1-4 to 1-2 in. long, oblique; 
peduncles 1-2 to 1 in. long; sepals very hairy, linear, 
acuminate, 1-6 in. long; petals a half larger; fruit 1-6 
in. high, beaked by a stout style about as long, and car- 
pels roughly tuberculate. In sandy soil in the valley. 
T. GranpiFLorus, Watson. Hispid with usually 
longer and more spreading hairs; leaflets 4 to 6 pairs; 
peduncles longer; sepals 1-4 to 1-2 in. long; the petals 
usually twice longer. Along the railroad north of 
Central Avenue. 
40. GERANIACEAE, Geranium Famity. 
Herbs, leaves compound or lobed, regular 5-merous 
flowers on axillary pe duncles, 5 to 10 stamens. 
Leaves lobed but not compound, (1) GERANIUM. 
Leaves compound (in ours).. 
Pinnate, fertile stamens 5, - (2) ERODIUM. 
Palmate, stamens 10 - - (3) oxaLis. 
1. Geranium, LZ. Cranesbill. Annual or peren- 
nial herbs with palmately lobed and mostly oppsiote 
leaves, scarious stipules, axillary peduncles b earing 
1 to 8 violet or rose-colored flowers. 
G. ArTropurrurREUM, Heller. Perennial from a 
stout caudex, more or less decumbent, spreading, 
caespitose canescent; leaves incisely 3 to 5-parted, the 
wedge-shaped divisions again cleft, petals purple long- 
er than the prominently awned sepals. Sandia Mts. 
in Quercus gambelii and Spruce-Acre-Robinia asso- 
ciation and the Yellow Pine Soc. 
2. Eropium, LZ. Her. Storkbill. Like gera- 
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